From 7122debb4367ee5c89237e5d36dcc0007d7ec43c Mon Sep 17 00:00:00 2001
From: Daniel Latypov <dlatypov@google.com>
Date: Mon, 3 May 2021 13:58:34 -0700
Subject: kunit: introduce kunit_kmalloc_array/kunit_kcalloc() helpers
Add in:
* kunit_kmalloc_array() and wire up kunit_kmalloc() to be a special
case of it.
* kunit_kcalloc() for symmetry with kunit_kzalloc()
This should using KUnit more natural by making it more similar to the
existing *alloc() APIs.
And while we shouldn't necessarily be writing unit tests where overflow
should be a concern, it can't hurt to be safe.
Signed-off-by: Daniel Latypov <dlatypov@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
---
lib/kunit/test.c | 22 ++++++++++++----------
1 file changed, 12 insertions(+), 10 deletions(-)
(limited to 'lib/kunit/test.c')
diff --git a/lib/kunit/test.c b/lib/kunit/test.c
index 17973a4a44c2..06f6cff2c0e7 100644
--- a/lib/kunit/test.c
+++ b/lib/kunit/test.c
@@ -572,41 +572,43 @@ int kunit_destroy_resource(struct kunit *test, kunit_resource_match_t match,
}
EXPORT_SYMBOL_GPL(kunit_destroy_resource);
-struct kunit_kmalloc_params {
+struct kunit_kmalloc_array_params {
+ size_t n;
size_t size;
gfp_t gfp;
};
-static int kunit_kmalloc_init(struct kunit_resource *res, void *context)
+static int kunit_kmalloc_array_init(struct kunit_resource *res, void *context)
{
- struct kunit_kmalloc_params *params = context;
+ struct kunit_kmalloc_array_params *params = context;
- res->data = kmalloc(params->size, params->gfp);
+ res->data = kmalloc_array(params->n, params->size, params->gfp);
if (!res->data)
return -ENOMEM;
return 0;
}
-static void kunit_kmalloc_free(struct kunit_resource *res)
+static void kunit_kmalloc_array_free(struct kunit_resource *res)
{
kfree(res->data);
}
-void *kunit_kmalloc(struct kunit *test, size_t size, gfp_t gfp)
+void *kunit_kmalloc_array(struct kunit *test, size_t n, size_t size, gfp_t gfp)
{
- struct kunit_kmalloc_params params = {
+ struct kunit_kmalloc_array_params params = {
.size = size,
+ .n = n,
.gfp = gfp
};
return kunit_alloc_resource(test,
- kunit_kmalloc_init,
- kunit_kmalloc_free,
+ kunit_kmalloc_array_init,
+ kunit_kmalloc_array_free,
gfp,
¶ms);
}
-EXPORT_SYMBOL_GPL(kunit_kmalloc);
+EXPORT_SYMBOL_GPL(kunit_kmalloc_array);
void kunit_kfree(struct kunit *test, const void *ptr)
{
--
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